Display screen or portion thereof with icon



The sole FIGURE is a front view of a display screen or portion thereof with icon showing an embodiment of our new design.

The outermost broken line depicts a boundary line of a display screen or portion thereof, and forms no part of the claimed design. The remainder of the broken lines depict text, icons, or the remainder of the graphical user interface or portion thereof, and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 